Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 714 | $202 | $327.75 | $282.64 - $372.12 |
| Q4 2020 | 1,349 | $330 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,329 | $377 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 1,329 | $356 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 1,359 | $430 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,379 | $409 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 1,509 | $351 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 5,119 | $1,197 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 6,014 | $1,421 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 6,054 | $1,822 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 2,609 | $922 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 2,594 | $753 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 2,694 | $738 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 2,694 | $858 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 2,694 | $844 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 2,774 | $753 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 2,719 | $743 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 2,665 | $756 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 2,755 | $862 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 2,655 | $642 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 2,980 | $776 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 3,205 | $982 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 2,865 | $836 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 2,465 | $996 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 2,575 | $1,087 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 2,600 | $883 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,907 | $631 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 1,000 | $315 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 1,000 | $306 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 1,000 | $280 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 1,000 | $241 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 1,000 | $215 | $213.68 | $191.80 - $242.64 |